# This migration comes from active_storage (originally 20170806125915)
class CreateActiveStorageTables < ActiveRecord::Migration[5.2]
  def change
    create_table :active_storage_blobs do |t|
      t.string   :key,        :null => false
      t.string   :filename,   :null => false
      t.string   :content_type
      t.text     :metadata
      t.bigint   :byte_size,  :null => false
      t.string   :checksum,   :null => false
      t.datetime :created_at, :null => false

      t.index [:key], :unique => true
    end

    create_table :active_storage_attachments do |t|
      t.string     :name,     :null => false
      t.references :record,   :null => false, :polymorphic => true, :index => false
      t.references :blob,     :null => false

      t.datetime :created_at, :null => false

      t.index [:record_type, :record_id, :name, :blob_id], :name => "index_active_storage_attachments_uniqueness", :unique => true
      t.foreign_key :active_storage_blobs, :column => :blob_id
    end
  end
end
